package common;

public class StopWatch 
{
	public void start()
	{
		startInNano = System.nanoTime(); 
	}
	
	public void stop()
	{
		stopInNano = System.nanoTime();
	}
	
	public long elapseTime()
	{
		return (stopInNano - startInNano);
	}
	
	private long stopInNano;
	private long startInNano;
}
